Question

What should be added to x
$x {}^{2} + xy + y {}^{2} to \: obtaion \: 2x {}^{2} + 3xy$


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Answer 1

Answer:

Let us assume p be the required term

Then,

p + (x2 + xy + y2) = 2x2 + 3xy

p = (2x2 + 3xy) – (x2 + xy + y2)

p = 2x2 + 3xy – x2 – xy – y2

p = 2x2 – x2 + 3xy – xy – y2

p = x2 + 2xy – y2